diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index f0396e79b6f..d7b271339a5 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -287,9 +287,12 @@ static int qla25xx_setup_mode(struct scsi_qla_host *vha) int ques, req, ret; struct qla_hw_data *ha = vha->hw; + if (!(ha->fw_attributes & BIT_6)) { + qla_printk(KERN_INFO, ha, + "Firmware is not multi-queue capable\n"); + goto fail; + } if (ql2xmultique_tag) { - /* CPU affinity mode */ - ha->wq = create_workqueue("qla2xxx_wq"); /* create a request queue for IO */ options |= BIT_7; req = qla25xx_create_req_que(ha, options, 0, 0, -1, @@ -299,6 +302,7 @@ static int qla25xx_setup_mode(struct scsi_qla_host *vha) "Can't create request queue\n"); goto fail; } + ha->wq = create_workqueue("qla2xxx_wq"); vha->req = ha->req_q_map[req]; options |= BIT_1; for (ques = 1; ques < ha->max_rsp_queues; ques++) { @@ -309,6 +313,8 @@ static int qla25xx_setup_mode(struct scsi_qla_host *vha) goto fail2; } } + ha->flags.cpu_affinity_enabled = 1; + DEBUG2(qla_printk(KERN_INFO, ha, "CPU affinity mode enabled, no. of response" " queues:%d, no. of request queues:%d\n", @@ -317,8 +323,13 @@ static int qla25xx_setup_mode(struct scsi_qla_host *vha) return 0; fail2: qla25xx_delete_queues(vha); + destroy_workqueue(ha->wq); + ha->wq = NULL; fail: ha->mqenable = 0; + kfree(ha->req_q_map); + kfree(ha->rsp_q_map); + ha->max_req_queues = ha->max_rsp_queues = 1; return 1; } @@ -1923,6 +1934,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) if (ret) goto probe_init_failed; /* Alloc arrays of request and response ring ptrs */ +que_init: if (!qla2x00_alloc_queues(ha)) { qla_printk(KERN_WARNING, ha, "[ERROR] Failed to allocate memory for queue" @@ -1959,11 +1971,14 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) goto probe_failed; } - if (ha->mqenable) - if (qla25xx_setup_mode(base_vha)) + if (ha->mqenable) { + if (qla25xx_setup_mode(base_vha)) { qla_printk(KERN_WARNING, ha, "Can't create queues, falling back to single" " queue mode\n"); + goto que_init; + } + } if (ha->flags.running_gold_fw) goto skip_dpc; |